package com.thread.threadfirst.annotation;

import java.awt.*;
import java.util.ArrayList;

public class SuppressWarningsTest {

//    @SuppressWarnings("unchecked")
    public static void main(String[] args) {
//        List list=new ArrayList();
//        list.add("lufei");
        String s="";
        System.out.println("a");
    }


}
